Air freshener



FIG. 1 is a perspective view of an air freshener showing my new design;

FIG. 2 is a top plan view of the air freshener;

FIG. 3 is a bottom view of the air freshener;

FIG. 4 is a left side view of the air freshener;

FIG. 5 is a right side view of the air freshener;

FIG. 6 is an end view of the air freshener; and,

FIG. 7 is an opposite end view of the air freshener. 

The ornamental design for an air freshener, as shown and described. 